Date: 11/13/2006 Part No: CSS-J4B20 Unit: mm Description: magnetic buzzer Page No: 1 of 5 Specifications Rated voltage 3.6 Vo-p Operating voltage 3.0 - 5.0 Vo-p Mean current 80 mA max. Applying rated voltage, 2730 Hz square wave, ½ duty Coil resistance 20 ±3 Ω Sound output Min. 90 (Typical 97) dBA Distance at 5cm (A-weight free air). Applying rated voltage of 2730 Hz, square wave, ½ duty. Rated frequency 2730 Hz Operating tempurature -30 ~ +70° C Storage tempurature -40 ~ +85° C Dimensions L8.5 x W8.5 x H3.2 mm See attached drawing Weight 0.7 g Material L.C.P. (White) Terminal SMD type (Au Plating) See attached drawing RoHS yes Frequency Response Curve Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 11/13/2006 Part No: CSS-J4B20 Unit: mm Description: magnetic buzzer Page No: 2 of 5 Appearance Drawing Tolerance: ±0.5 Week Year 01 05---2005 02 06---2006 . . . . Measurement Method Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 11/13/2006 Part No: CSS-J4B20 Unit: mm Description: magnetic buzzer Page No: 3 of 5 Mechanical Characteristics Item Test Condition Evaluation Standard Solderability Lead terminals are immersed in solder bath 95% surface of lead pads must of +270 ±5°C for 3 ±1 seconds. be covered with fresh solder. Soldering Heat Resistance The product follows the reflow temperature No in interference in operation. curve to test its reflow thermo stability. Terminal Mechanical Strength Lead pads shall be soldered onto the pc No damage or cutting off. board and the force of 9.8 N (1.0 kg) shall be applied behind the part for 10 seconds. Vibration The buzzer will be measured after applying a vibration amplitude of 1.5 mm with 10 to After the test, the part shall meet 55 Hz band of vibration frequency to each of specifications without any the 3 perpendicular directions for 2 hours. damage to the appearance and Drop Test The part is to be dropped from a height of the SPL should be within ±10 75 cm onto a 40 mm thick wooden board 3 dBA of the initial SPL. times in 3 axis (X, Y, Z) for a total of 9 drops. Environment Test Item Test Condition Evaluation Standard High temp. test The part will be subjected to +85°C for 96 hours. Low temp. test The part will be subjected to -40°C for 96 hours Thermal shock The part will be subjected to 10 cycles. One cycle will consist of: After the test, the part shall meet specifications without any damage to the appearance or performance and the SPL should Temp./Humidity cycle The part shall be subjected to 10 cycles. One be within ±10 dBA of the initial cycle will last for 24 hours and consist of: SPL. Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 11/13/2006 Part No: CSS-J4B20 Unit: mm Description: magnetic buzzer Page No: 4 of 5 Mechanical Characteristics Item Test Condition Evaluation Standard Operating (Life Test) 1. Continuous life test: The part will be subjected to 72 hours at +55°C After the test, the part shall meet with 3.6 V, 2730 Hz applied. specifications without any damage to the appearance. After 2. Intermittent life test: 4 hours at +25°C, the SPL A duty cycle of 1 minute on, 1 minute off, a should be within ±10 dBA of the minimum of 10,000 times at room temp initial SPL. (+25±10°C) with 3.6 V, 2730 Hz applied. Test Conditions Standard Test Condition a) Tempurature: +5 ~ +35°C b) Humidity: 45 - 85% c) Pressure: 860 - 1060 mbar Judgement Test Condition a) Tempurature: +25±2°C b) Humidity: 60 - 70% c) Pressure: 860 - 1060 mbar Recommended Temperature Profile for Reflow Oven Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062 Date: 11/13/2006 Part No: CSS-J4B20 Unit: mm Description: magnetic buzzer Page No: 5 of 5 Recommended Land Pattern Packaging Phone: 800.275.4899 Fax: 503.612.2381 www.cui.com 20050 SW 112th Ave. Tualatin, OR 97062